Target intelligence / Profile preview

Staphylococcus aureus capsular polysaccharide serotype 5 (CP5)

Target
CP5
Molecular classification
Polysaccharide, Carbohydrate, Capsular Polysaccharide
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Overview

Staphylococcus aureus capsular polysaccharide serotype 5 (CP5) is a high-molecular-weight carbohydrate polymer that forms a capsule on the surface of S. aureus bacteria. It is a major virulence factor, enabling immune evasion by inhibiting phagocytosis and reducing complement binding. CP5 is a prevalent serotype among clinical isolates and a target for vaccine development.

Other names
S. aureus capsular polysaccharide serotype 5Capsular polysaccharide serotype 5Staphylococcus aureus CP5
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Mechanism of action

Target of vaccine development to elicit antibody-mediated opsonization and phagocytosis

03

Biological functions

Immune evasionAntiphagocytosisVirulence factorCapsule formation
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Disease associations

InfectionBacteremiaAbscess formationArthritis
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Safety considerations

Limited antigenic diversity may require combination vaccine approaches

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